package org.elasticsearch.action.bulk;

/*-
 * #%L
 * log4j2-elasticsearch
 * %%
 * Copyright (C) 2018 Rafal Foltynski
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */


import org.appenders.log4j2.elasticsearch.BatchIntrospector;
import org.appenders.log4j2.elasticsearch.BatchItemIntrospector;
import org.elasticsearch.action.index.BulkActionIntrospector;
import org.elasticsearch.action.index.IndexRequest;

import java.util.Collection;
import java.util.stream.Collectors;

public class BulkRequestIntrospector implements BatchIntrospector<BulkRequest> {

    private final BulkActionIntrospector itemIntrospector = new BulkActionIntrospector();

    @Override
    public Collection<Object> items(BulkRequest introspected) {
        return introspected.requests
                .stream()
                .map(item -> itemIntrospector().getPayload((IndexRequest) item))
                .collect(Collectors.toList());
    }

    public BatchItemIntrospector<IndexRequest> itemIntrospector() {
        return itemIntrospector;
    }
}
